Optimism Rollups Off-Chain Processing: Bundling Transactions to Slash Ethereum Costs OP Ecosystem Insights Optimism Tutorials & Guides Rollup-as-a-Service & Modular Blockchain Solutions Optimism Rollups Off-Chain Processing: Bundling Transactions to Slash Ethereum Costs Sophie Trent March 16, 2026 Ethereum’s scalability challenges have long plagued users, with transaction fees surging to several dollars during peak congestion... Read More Read more about Optimism Rollups Off-Chain Processing: Bundling Transactions to Slash Ethereum Costs